<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 4.3.2 or newer
 *
 * @package		CodeIgniter
 * @author		ExpressionEngine Dev Team
 * @copyright	Copyright (c) 2008 - 2009, EllisLab, Inc.
 * @license		http://codeigniter.com/user_guide/license.html
 * @link		http://codeigniter.com
 * @since		Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * CodeIgniter Number Helpers
 *
 * @package		CodeIgniter
 * @subpackage	Helpers
 * @category	Helpers
 * @author		ExpressionEngine Dev Team
 * @link		http://codeigniter.com/user_guide/helpers/number_helper.html
 */

// ------------------------------------------------------------------------

/**
 * Formats a numbers as bytes, based on size, and adds the appropriate suffix
 *
 * @access	public
 * @param	mixed	// will be cast as int
 * @return	string
 */
if ( ! function_exists('byte_format')) {
  function byte_format($num) {
    $CI =& get_instance();
    $CI->lang->load('number');

    if ($num >= 1000000000000) {
      $num = round($num / 1099511627776, 1);
      $unit = $CI->lang->line('terabyte_abbr');
    }
    elseif ($num >= 1000000000) {
      $num = round($num / 1073741824, 1);
      $unit = $CI->lang->line('gigabyte_abbr');
    }
    elseif ($num >= 1000000) {
      $num = round($num / 1048576, 1);
      $unit = $CI->lang->line('megabyte_abbr');
    }
    elseif ($num >= 1000) {
      $num = round($num / 1024, 1);
      $unit = $CI->lang->line('kilobyte_abbr');
    }
    else {
      $unit = $CI->lang->line('bytes');
      return number_format($num).' '.$unit;
    }

    return number_format($num, 1).' '.$unit;
  }
}

/* End of file number_helper.php */
/* Location: ./system/helpers/number_helper.php */